
Specialist company for electrical engineering, photovoltaics and industrial electrical services in the Rhine-Neckar metropolitan region

Elektro Wenzel GmbH
Mannheim · WalldorfNew on Amplifa
About Elektro Wenzel
Elektro Wenzel GmbH is a specialist company for modern electrical engineering headquartered in Mannheim. Founded in 1966, the company implements solutions for private, commercial and industrial customers, from consulting and planning through installation to maintenance of electrical systems. The range of services includes photovoltaics including battery storage and wallbox installation, high-current technology with switchgear assemblies and custom control cabinet construction, low- and medium-voltage networks, low-voltage (weak-current) technology with EIB KNX bus systems, and security technology such as fire alarm systems, video surveillance and access control. The services are complemented by lighting technology, IT and data technology, energy optimization, smart home and smart building automation, project renovation, and maintenance of machines and systems. Around 30 qualified employees, including electrical technicians, installers and project managers, implement projects in the Rhine-Neckar metropolitan region. Since 2016, the company has operated a branch with its own warehouse in Walldorf.
- Site
- Mannheim
- Processes
- Photovoltaics – planning + consulting, Photovoltaics – installation, Photovoltaics – implementation of large-scale projects, Photovoltaics – maintenance + servicing, Battery storage (installation), Wallbox installation (e-mobility), High-current technology – installation of cables, lines and equipment incl. tests and measurements, Switchgear assemblies and switchgear devices
- Certificates
- Repeat inspections and measurements
- Founded
- 1966
- Employees
- 30
- Industries
- Industry, Trades, Commercial, Private customers
- 01
Consulting and planning
- 02
Electrical installation
- 03
Commissioning, testing and measurement
- 04
Maintenance and servicing
Locations

Mannheim
DEHeadquarters
Walldorf
DEBranch and warehouse
Inside the production


Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Photovoltaics – planning + consultingEngineering | – | – | – | – | – |
| Photovoltaics – installationAssembly | – | – | – | – | – |
| Photovoltaics – implementation of large-scale projectsAssembly | – | – | – | – | – |
| Photovoltaics – maintenance + servicingAssembly | – | – | – | – | – |
| Battery storage (installation)Assembly | – | – | – | – | – |
| Wallbox installation (e-mobility)Assembly | – | – | – | – | – |
| High-current technology – installation of cables, lines and equipment incl. tests and measurementsAssembly | – | – | – | – | – |
| Switchgear assemblies and switchgear devicesAssembly | – | – | – | – | – |
| Control cabinet construction (custom control cabinets)Assembly | – | – | – | – | – |
| Energy management / energy optimizationEngineering | – | – | – | – | – |
| Planning, installation and commissioning of low- and medium-voltage networksAssembly | – | – | – | – | – |
| Low-voltage (weak-current) technology – telephone networks and telephone systemsAssembly | – | – | – | – | – |
| EIB KNX bus systems / building control technologyAssembly | – | – | – | – | – |
| Security technology – hazard alarm and alarm systemsAssembly | – | – | – | – | – |
| Video surveillance systemsAssembly | – | – | – | – | – |
| Access control systemsAssembly | – | – | – | – | – |
| Fire alarm systemsAssembly | – | – | – | – | – |
| Lighting technology (workplace, interior and exterior lighting, lighting control)Assembly | – | – | – | – | – |
| IT and data technologyAssembly | – | – | – | – | – |
| Maintenance and servicing of machines and systems (lighting systems)Assembly | – | – | – | – | – |
| Project renovation (electrical installations)Assembly | – | – | – | – | – |
| Smart home / smart buildingEngineering | – | – | – | – | – |
Additional services
Quality and Safety
Installations are accepted with final tests and measurements as well as repeat inspections in accordance with current safety regulations; documentation and organization of the inspections are part of the scope of services.
| Evidence | Mannheim |
|---|---|
| Repeat inspections and measurements |
Company History
- 1966
Founded in Mannheim by Hans Wenzel as a small electrical contracting business
- 1991
Conversion into Elektro Wenzel GmbH
- 2011
Opening of a branch, initially in Wiesloch
- 2016
Relocation of the branch to Walldorf, including its own warehouse